1/*
2 * Copyright (c) 1999-2003 Damien Miller.  All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 */
24
25#ifndef _DEFINES_H
26#define _DEFINES_H
27
28/* Constants */
29
30#if defined(HAVE_DECL_SHUT_RD) && HAVE_DECL_SHUT_RD == 0
31enum
32{
33  SHUT_RD = 0,		/* No more receptions.  */
34  SHUT_WR,			/* No more transmissions.  */
35  SHUT_RDWR			/* No more receptions or transmissions.  */
36};
37# define SHUT_RD   SHUT_RD
38# define SHUT_WR   SHUT_WR
39# define SHUT_RDWR SHUT_RDWR
40#endif
41
42/*
43 * Cygwin doesn't really have a notion of reserved ports.  It is still
44 * is useful on the client side so for compatibility it defines as 1024 via
45 * netinet/in.h inside an enum.  We * don't actually want that restriction
46 * so we want to set that to zero, but we can't do it direct in config.h
47 * because it'll cause a conflicting definition the first time we include
48 * netinet/in.h.
49 */
50
51#ifdef HAVE_CYGWIN
52#define IPPORT_RESERVED 0
53#endif
54
55/*
56 * Definitions for IP type of service (ip_tos)
57 */
58#include <netinet/in_systm.h>
59#include <netinet/ip.h>
60#ifndef IPTOS_LOWDELAY
61# define IPTOS_LOWDELAY          0x10
62# define IPTOS_THROUGHPUT        0x08
63# define IPTOS_RELIABILITY       0x04
64# define IPTOS_LOWCOST           0x02
65# define IPTOS_MINCOST           IPTOS_LOWCOST
66#endif /* IPTOS_LOWDELAY */
67
68/*
69 * Definitions for DiffServ Codepoints as per RFC2474
70 */
71#ifndef IPTOS_DSCP_AF11
72# define	IPTOS_DSCP_AF11		0x28
73# define	IPTOS_DSCP_AF12		0x30
74# define	IPTOS_DSCP_AF13		0x38
75# define	IPTOS_DSCP_AF21		0x48
76# define	IPTOS_DSCP_AF22		0x50
77# define	IPTOS_DSCP_AF23		0x58
78# define	IPTOS_DSCP_AF31		0x68
79# define	IPTOS_DSCP_AF32		0x70
80# define	IPTOS_DSCP_AF33		0x78
81# define	IPTOS_DSCP_AF41		0x88
82# define	IPTOS_DSCP_AF42		0x90
83# define	IPTOS_DSCP_AF43		0x98
84# define	IPTOS_DSCP_EF		0xb8
85#endif /* IPTOS_DSCP_AF11 */
86#ifndef IPTOS_DSCP_CS0
87# define	IPTOS_DSCP_CS0		0x00
88# define	IPTOS_DSCP_CS1		0x20
89# define	IPTOS_DSCP_CS2		0x40
90# define	IPTOS_DSCP_CS3		0x60
91# define	IPTOS_DSCP_CS4		0x80
92# define	IPTOS_DSCP_CS5		0xa0
93# define	IPTOS_DSCP_CS6		0xc0
94# define	IPTOS_DSCP_CS7		0xe0
95#endif /* IPTOS_DSCP_CS0 */
96#ifndef IPTOS_DSCP_EF
97# define	IPTOS_DSCP_EF		0xb8
98#endif /* IPTOS_DSCP_EF */
99
100#ifndef PATH_MAX
101# ifdef _POSIX_PATH_MAX
102# define PATH_MAX _POSIX_PATH_MAX
103# endif
104#endif
105
106#ifndef MAXPATHLEN
107# ifdef PATH_MAX
108#  define MAXPATHLEN PATH_MAX
109# else /* PATH_MAX */
110#  define MAXPATHLEN 64
111/* realpath uses a fixed buffer of size MAXPATHLEN, so force use of ours */
112#  ifndef BROKEN_REALPATH
113#   define BROKEN_REALPATH 1
114#  endif /* BROKEN_REALPATH */
115# endif /* PATH_MAX */
116#endif /* MAXPATHLEN */
117
118#ifndef HOST_NAME_MAX
119# include "netdb.h" /* for MAXHOSTNAMELEN */
120# if defined(_POSIX_HOST_NAME_MAX)
121#  define HOST_NAME_MAX _POSIX_HOST_NAME_MAX
122# elif defined(MAXHOSTNAMELEN)
123#  define HOST_NAME_MAX MAXHOSTNAMELEN
124# else
125#  define HOST_NAME_MAX	255
126# endif
127#endif /* HOST_NAME_MAX */
128
129#if defined(HAVE_DECL_MAXSYMLINKS) && HAVE_DECL_MAXSYMLINKS == 0
130# define MAXSYMLINKS 5
131#endif
132
133#ifndef STDIN_FILENO
134# define STDIN_FILENO    0
135#endif
136#ifndef STDOUT_FILENO
137# define STDOUT_FILENO   1
138#endif
139#ifndef STDERR_FILENO
140# define STDERR_FILENO   2
141#endif
142
143#ifndef NGROUPS_MAX	/* Disable groupaccess if NGROUP_MAX is not set */
144#ifdef NGROUPS
145#define NGROUPS_MAX NGROUPS
146#else
147#define NGROUPS_MAX 0
148#endif
149#endif
150
151#if defined(HAVE_DECL_O_NONBLOCK) && HAVE_DECL_O_NONBLOCK == 0
152# define O_NONBLOCK      00004	/* Non Blocking Open */
153#endif
154
155#ifndef S_IFSOCK
156# define S_IFSOCK 0
157#endif /* S_IFSOCK */
158
159#ifndef S_ISDIR
160# define S_ISDIR(mode)	(((mode) & (_S_IFMT)) == (_S_IFDIR))
161#endif /* S_ISDIR */
162
163#ifndef S_ISREG
164# define S_ISREG(mode)	(((mode) & (_S_IFMT)) == (_S_IFREG))
165#endif /* S_ISREG */
166
167#ifndef S_ISLNK
168# define S_ISLNK(mode)	(((mode) & S_IFMT) == S_IFLNK)
169#endif /* S_ISLNK */
170
171#ifndef S_IXUSR
172# define S_IXUSR			0000100	/* execute/search permission, */
173# define S_IXGRP			0000010	/* execute/search permission, */
174# define S_IXOTH			0000001	/* execute/search permission, */
175# define _S_IWUSR			0000200	/* write permission, */
176# define S_IWUSR			_S_IWUSR	/* write permission, owner */
177# define S_IWGRP			0000020	/* write permission, group */
178# define S_IWOTH			0000002	/* write permission, other */
179# define S_IRUSR			0000400	/* read permission, owner */
180# define S_IRGRP			0000040	/* read permission, group */
181# define S_IROTH			0000004	/* read permission, other */
182# define S_IRWXU			0000700	/* read, write, execute */
183# define S_IRWXG			0000070	/* read, write, execute */
184# define S_IRWXO			0000007	/* read, write, execute */
185#endif /* S_IXUSR */
186
187#if !defined(MAP_ANON) && defined(MAP_ANONYMOUS)
188#define MAP_ANON MAP_ANONYMOUS
189#endif
190
191#ifndef MAP_FAILED
192# define MAP_FAILED ((void *)-1)
193#endif
194
195/*
196SCO Open Server 3 has INADDR_LOOPBACK defined in rpc/rpc.h but
197including rpc/rpc.h breaks Solaris 6
198*/
199#ifndef INADDR_LOOPBACK
200#define INADDR_LOOPBACK ((u_long)0x7f000001)
201#endif
202
203/* Types */
204
205/* If sys/types.h does not supply intXX_t, supply them ourselves */
206/* (or die trying) */
207
208#ifndef HAVE_U_INT
209typedef unsigned int u_int;
210#endif
211
212#ifndef HAVE_INTXX_T
213typedef signed char int8_t;
214# if (SIZEOF_SHORT_INT == 2)
215typedef short int int16_t;
216# else
217#   error "16 bit int type not found."
218# endif
219# if (SIZEOF_INT == 4)
220typedef int int32_t;
221# else
222#   error "32 bit int type not found."
223# endif
224#endif
225
226/* If sys/types.h does not supply u_intXX_t, supply them ourselves */
227#ifndef HAVE_U_INTXX_T
228# ifdef HAVE_UINTXX_T
229typedef uint8_t u_int8_t;
230typedef uint16_t u_int16_t;
231typedef uint32_t u_int32_t;
232# define HAVE_U_INTXX_T 1
233# else
234typedef unsigned char u_int8_t;
235#  if (SIZEOF_SHORT_INT == 2)
236typedef unsigned short int u_int16_t;
237#  else
238#    error "16 bit int type not found."
239#  endif
240#  if (SIZEOF_INT == 4)
241typedef unsigned int u_int32_t;
242#  else
243#    error "32 bit int type not found."
244#  endif
245# endif
246#define __BIT_TYPES_DEFINED__
247#endif
248
249/* 64-bit types */
250#ifndef HAVE_INT64_T
251# if (SIZEOF_LONG_INT == 8)
252typedef long int int64_t;
253# else
254#  if (SIZEOF_LONG_LONG_INT == 8)
255typedef long long int int64_t;
256#  endif
257# endif
258#endif
259#ifndef HAVE_U_INT64_T
260# if (SIZEOF_LONG_INT == 8)
261typedef unsigned long int u_int64_t;
262# else
263#  if (SIZEOF_LONG_LONG_INT == 8)
264typedef unsigned long long int u_int64_t;
265#  endif
266# endif
267#endif
268
269#ifndef HAVE_UINTXX_T
270typedef u_int8_t uint8_t;
271typedef u_int16_t uint16_t;
272typedef u_int32_t uint32_t;
273typedef u_int64_t uint64_t;
274#endif
275
276#ifndef HAVE_INTMAX_T
277typedef long long intmax_t;
278#endif
279
280#ifndef HAVE_UINTMAX_T
281typedef unsigned long long uintmax_t;
282#endif
283
284#ifndef HAVE_U_CHAR
285typedef unsigned char u_char;
286# define HAVE_U_CHAR
287#endif /* HAVE_U_CHAR */
288
289#ifndef ULLONG_MAX
290# define ULLONG_MAX ((unsigned long long)-1)
291#endif
292
293#ifndef SIZE_T_MAX
294#define SIZE_T_MAX ULONG_MAX
295#endif /* SIZE_T_MAX */
296
297#ifndef HAVE_SIZE_T
298typedef unsigned int size_t;
299# define HAVE_SIZE_T
300# define SIZE_T_MAX UINT_MAX
301#endif /* HAVE_SIZE_T */
302
303#ifndef SIZE_MAX
304#define SIZE_MAX SIZE_T_MAX
305#endif
306
307#ifndef INT32_MAX
308# if (SIZEOF_INT == 4)
309#  define INT32_MAX INT_MAX
310# elif (SIZEOF_LONG == 4)
311#  define INT32_MAX LONG_MAX
312# else
313#  error "need INT32_MAX"
314# endif
315#endif
316
317#ifndef INT64_MAX
318# if (SIZEOF_INT == 8)
319#  define INT64_MAX INT_MAX
320# elif (SIZEOF_LONG == 8)
321#  define INT64_MAX LONG_MAX
322# elif (SIZEOF_LONG_LONG_INT == 8)
323#  define INT64_MAX LLONG_MAX
324# else
325#  error "need INT64_MAX"
326# endif
327#endif
328
329#ifndef HAVE_SSIZE_T
330typedef int ssize_t;
331# define HAVE_SSIZE_T
332#endif /* HAVE_SSIZE_T */
333
334#ifndef HAVE_CLOCK_T
335typedef long clock_t;
336# define HAVE_CLOCK_T
337#endif /* HAVE_CLOCK_T */
338
339#ifndef HAVE_SA_FAMILY_T
340typedef int sa_family_t;
341# define HAVE_SA_FAMILY_T
342#endif /* HAVE_SA_FAMILY_T */
343
344#ifndef HAVE_PID_T
345typedef int pid_t;
346# define HAVE_PID_T
347#endif /* HAVE_PID_T */
348
349#ifndef HAVE_SIG_ATOMIC_T
350typedef int sig_atomic_t;
351# define HAVE_SIG_ATOMIC_T
352#endif /* HAVE_SIG_ATOMIC_T */
353
354#ifndef HAVE_MODE_T
355typedef int mode_t;
356# define HAVE_MODE_T
357#endif /* HAVE_MODE_T */
358
359#if !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE___SS_FAMILY_IN_SS)
360# define ss_family __ss_family
361#endif /* !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE_SA_FAMILY_IN_SS) */
362
363#ifndef HAVE_SYS_UN_H
364struct	sockaddr_un {
365	short	sun_family;		/* AF_UNIX */
366	char	sun_path[108];		/* path name (gag) */
367};
368#endif /* HAVE_SYS_UN_H */
369
370#ifndef HAVE_IN_ADDR_T
371typedef u_int32_t	in_addr_t;
372#endif
373#ifndef HAVE_IN_PORT_T
374typedef u_int16_t	in_port_t;
375#endif
376
377#if defined(BROKEN_SYS_TERMIO_H) && !defined(_STRUCT_WINSIZE)
378#define _STRUCT_WINSIZE
379struct winsize {
380      unsigned short ws_row;          /* rows, in characters */
381      unsigned short ws_col;          /* columns, in character */
382      unsigned short ws_xpixel;       /* horizontal size, pixels */
383      unsigned short ws_ypixel;       /* vertical size, pixels */
384};
385#endif
386
387/* bits needed for select that may not be in the system headers */
388#ifndef HAVE_FD_MASK
389 typedef unsigned long int	fd_mask;
390#endif
391
392#if defined(HAVE_DECL_NFDBITS) && HAVE_DECL_NFDBITS == 0
393# define	NFDBITS (8 * sizeof(unsigned long))
394#endif
395
396#if defined(HAVE_DECL_HOWMANY) && HAVE_DECL_HOWMANY == 0
397# define howmany(x,y)	(((x)+((y)-1))/(y))
398#endif
399
400/* Paths */
401
402#ifndef _PATH_BSHELL
403# define _PATH_BSHELL "/bin/sh"
404#endif
405
406#ifdef USER_PATH
407# ifdef _PATH_STDPATH
408#  undef _PATH_STDPATH
409# endif
410# define _PATH_STDPATH USER_PATH
411#endif
412
413#ifndef _PATH_STDPATH
414# define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
415#endif
416
417#ifndef SUPERUSER_PATH
418# define SUPERUSER_PATH	_PATH_STDPATH
419#endif
420
421#ifndef _PATH_DEVNULL
422# define _PATH_DEVNULL "/dev/null"
423#endif
424
425/* user may have set a different path */
426#if defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY)
427# undef _PATH_MAILDIR
428#endif /* defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY) */
429
430#ifdef MAIL_DIRECTORY
431# define _PATH_MAILDIR MAIL_DIRECTORY
432#endif
433
434#ifndef _PATH_NOLOGIN
435# define _PATH_NOLOGIN "/etc/nologin"
436#endif
437
438/* Define this to be the path of the xauth program. */
439#ifdef XAUTH_PATH
440#define _PATH_XAUTH XAUTH_PATH
441#endif /* XAUTH_PATH */
442
443/* derived from XF4/xc/lib/dps/Xlibnet.h */
444#ifndef X_UNIX_PATH
445#  ifdef __hpux
446#    define X_UNIX_PATH "/var/spool/sockets/X11/%u"
447#  else
448#    define X_UNIX_PATH "/tmp/.X11-unix/X%u"
449#  endif
450#endif /* X_UNIX_PATH */
451#define _PATH_UNIX_X X_UNIX_PATH
452
453#ifndef _PATH_TTY
454# define _PATH_TTY "/dev/tty"
455#endif
456
457/* Macros */
458
459#if defined(HAVE_LOGIN_GETCAPBOOL) && defined(HAVE_LOGIN_CAP_H)
460# define HAVE_LOGIN_CAP
461#endif
462
463#ifndef MAX
464# define MAX(a,b) (((a)>(b))?(a):(b))
465# define MIN(a,b) (((a)<(b))?(a):(b))
466#endif
467
468#ifndef roundup
469# define roundup(x, y)   ((((x)+((y)-1))/(y))*(y))
470#endif
471
472#ifndef timersub
473#define timersub(a, b, result)					\
474   do {								\
475      (result)->tv_sec = (a)->tv_sec - (b)->tv_sec;		\
476      (result)->tv_usec = (a)->tv_usec - (b)->tv_usec;		\
477      if ((result)->tv_usec < 0) {				\
478	 --(result)->tv_sec;					\
479	 (result)->tv_usec += 1000000;				\
480      }								\
481   } while (0)
482#endif
483
484#ifndef TIMEVAL_TO_TIMESPEC
485#define	TIMEVAL_TO_TIMESPEC(tv, ts) {					\
486	(ts)->tv_sec = (tv)->tv_sec;					\
487	(ts)->tv_nsec = (tv)->tv_usec * 1000;				\
488}
489#endif
490
491#ifndef TIMESPEC_TO_TIMEVAL
492#define	TIMESPEC_TO_TIMEVAL(tv, ts) {					\
493	(tv)->tv_sec = (ts)->tv_sec;					\
494	(tv)->tv_usec = (ts)->tv_nsec / 1000;				\
495}
496#endif
497
498#ifndef timespeccmp
499#define timespeccmp(tsp, usp, cmp)					\
500	(((tsp)->tv_sec == (usp)->tv_sec) ?				\
501	    ((tsp)->tv_nsec cmp (usp)->tv_nsec) :			\
502	    ((tsp)->tv_sec cmp (usp)->tv_sec))
503#endif
504
505#ifndef __P
506# define __P(x) x
507#endif
508
509#if !defined(IN6_IS_ADDR_V4MAPPED)
510# define IN6_IS_ADDR_V4MAPPED(a) \
511	((((u_int32_t *) (a))[0] == 0) && (((u_int32_t *) (a))[1] == 0) && \
512	 (((u_int32_t *) (a))[2] == htonl (0xffff)))
513#endif /* !defined(IN6_IS_ADDR_V4MAPPED) */
514
515#if !defined(__GNUC__) || (__GNUC__ < 2)
516# define __attribute__(x)
517#endif /* !defined(__GNUC__) || (__GNUC__ < 2) */
518
519#if !defined(HAVE_ATTRIBUTE__SENTINEL__) && !defined(__sentinel__)
520# define __sentinel__
521#endif
522
523#if !defined(HAVE_ATTRIBUTE__BOUNDED__) && !defined(__bounded__)
524# define __bounded__(x, y, z)
525#endif
526
527#if !defined(HAVE_ATTRIBUTE__NONNULL__) && !defined(__nonnull__)
528# define __nonnull__(x)
529#endif
530
531#ifndef OSSH_ALIGNBYTES
532#define OSSH_ALIGNBYTES	(sizeof(int) - 1)
533#endif
534#ifndef __CMSG_ALIGN
535#define	__CMSG_ALIGN(p) (((u_int)(p) + OSSH_ALIGNBYTES) &~ OSSH_ALIGNBYTES)
536#endif
537
538/* Length of the contents of a control message of length len */
539#ifndef CMSG_LEN
540#define	CMSG_LEN(len)	(__CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
541#endif
542
543/* Length of the space taken up by a padded control message of length len */
544#ifndef CMSG_SPACE
545#define	CMSG_SPACE(len)	(__CMSG_ALIGN(sizeof(struct cmsghdr)) + __CMSG_ALIGN(len))
546#endif
547
548/* given pointer to struct cmsghdr, return pointer to data */
549#ifndef CMSG_DATA
550#define CMSG_DATA(cmsg) ((u_char *)(cmsg) + __CMSG_ALIGN(sizeof(struct cmsghdr)))
551#endif /* CMSG_DATA */
552
553/*
554 * RFC 2292 requires to check msg_controllen, in case that the kernel returns
555 * an empty list for some reasons.
556 */
557#ifndef CMSG_FIRSTHDR
558#define CMSG_FIRSTHDR(mhdr) \
559	((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
560	 (struct cmsghdr *)(mhdr)->msg_control : \
561	 (struct cmsghdr *)NULL)
562#endif /* CMSG_FIRSTHDR */
563
564#if defined(HAVE_DECL_OFFSETOF) && HAVE_DECL_OFFSETOF == 0
565# define offsetof(type, member) ((size_t) &((type *)0)->member)
566#endif
567
568/* Set up BSD-style BYTE_ORDER definition if it isn't there already */
569/* XXX: doesn't try to cope with strange byte orders (PDP_ENDIAN) */
570#ifndef BYTE_ORDER
571# ifndef LITTLE_ENDIAN
572#  define LITTLE_ENDIAN  1234
573# endif /* LITTLE_ENDIAN */
574# ifndef BIG_ENDIAN
575#  define BIG_ENDIAN     4321
576# endif /* BIG_ENDIAN */
577# ifdef WORDS_BIGENDIAN
578#  define BYTE_ORDER BIG_ENDIAN
579# else /* WORDS_BIGENDIAN */
580#  define BYTE_ORDER LITTLE_ENDIAN
581# endif /* WORDS_BIGENDIAN */
582#endif /* BYTE_ORDER */
583
584/* Function replacement / compatibility hacks */
585
586#if !defined(HAVE_GETADDRINFO) && (defined(HAVE_OGETADDRINFO) || defined(HAVE_NGETADDRINFO))
587# define HAVE_GETADDRINFO
588#endif
589
590#ifndef HAVE_GETOPT_OPTRESET
591# undef getopt
592# undef opterr
593# undef optind
594# undef optopt
595# undef optreset
596# undef optarg
597# define getopt(ac, av, o)  BSDgetopt(ac, av, o)
598# define opterr             BSDopterr
599# define optind             BSDoptind
600# define optopt             BSDoptopt
601# define optreset           BSDoptreset
602# define optarg             BSDoptarg
603#endif
604
605#if defined(BROKEN_GETADDRINFO) && defined(HAVE_GETADDRINFO)
606# undef HAVE_GETADDRINFO
607#endif
608#if defined(BROKEN_GETADDRINFO) && defined(HAVE_FREEADDRINFO)
609# undef HAVE_FREEADDRINFO
610#endif
611#if defined(BROKEN_GETADDRINFO) && defined(HAVE_GAI_STRERROR)
612# undef HAVE_GAI_STRERROR
613#endif
614
615#if defined(HAVE_GETADDRINFO)
616# if defined(HAVE_DECL_AI_NUMERICSERV) && HAVE_DECL_AI_NUMERICSERV == 0
617#   define AI_NUMERICSERV	0
618# endif
619#endif
620
621#if defined(BROKEN_UPDWTMPX) && defined(HAVE_UPDWTMPX)
622# undef HAVE_UPDWTMPX
623#endif
624
625#if defined(BROKEN_SHADOW_EXPIRE) && defined(HAS_SHADOW_EXPIRE)
626# undef HAS_SHADOW_EXPIRE
627#endif
628
629#if defined(HAVE_OPENLOG_R) && defined(SYSLOG_DATA_INIT) && \
630    defined(SYSLOG_R_SAFE_IN_SIGHAND)
631# define DO_LOG_SAFE_IN_SIGHAND
632#endif
633
634#if !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY)
635# define memmove(s1, s2, n) bcopy((s2), (s1), (n))
636#endif /* !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY) */
637
638#ifndef GETPGRP_VOID
639# include <unistd.h>
640# define getpgrp() getpgrp(0)
641#endif
642
643#ifdef USE_BSM_AUDIT
644# define SSH_AUDIT_EVENTS
645# define CUSTOM_SSH_AUDIT_EVENTS
646#endif
647
648#ifdef USE_LINUX_AUDIT
649# define SSH_AUDIT_EVENTS
650# define CUSTOM_SSH_AUDIT_EVENTS
651#endif
652
653#if !defined(HAVE___func__) && defined(HAVE___FUNCTION__)
654#  define __func__ __FUNCTION__
655#elif !defined(HAVE___func__)
656#  define __func__ ""
657#endif
658
659#if defined(KRB5) && !defined(HEIMDAL)
660#  define krb5_get_err_text(context,code) error_message(code)
661#endif
662
663/* Maximum number of file descriptors available */
664#ifdef HAVE_SYSCONF
665# define SSH_SYSFDMAX sysconf(_SC_OPEN_MAX)
666#else
667# define SSH_SYSFDMAX 10000
668#endif
669
670#ifdef FSID_HAS_VAL
671/* encode f_fsid into a 64 bit value  */
672#define FSID_TO_ULONG(f) \
673	((((u_int64_t)(f).val[0] & 0xffffffffUL) << 32) | \
674	    ((f).val[1] & 0xffffffffUL))
675#elif defined(FSID_HAS___VAL)
676#define FSID_TO_ULONG(f) \
677	((((u_int64_t)(f).__val[0] & 0xffffffffUL) << 32) | \
678	    ((f).__val[1] & 0xffffffffUL))
679#else
680# define FSID_TO_ULONG(f) ((f))
681#endif
682
683#if defined(__Lynx__)
684 /*
685  * LynxOS defines these in param.h which we do not want to include since
686  * it will also pull in a bunch of kernel definitions.
687  */
688# define ALIGNBYTES (sizeof(int) - 1)
689# define ALIGN(p) (((unsigned)p + ALIGNBYTES) & ~ALIGNBYTES)
690  /* Missing prototypes on LynxOS */
691  int snprintf (char *, size_t, const char *, ...);
692  int mkstemp (char *);
693  char *crypt (const char *, const char *);
694  int seteuid (uid_t);
695  int setegid (gid_t);
696  char *mkdtemp (char *);
697  int rresvport_af (int *, sa_family_t);
698  int innetgr (const char *, const char *, const char *, const char *);
699#endif
700
701/*
702 * Define this to use pipes instead of socketpairs for communicating with the
703 * client program.  Socketpairs do not seem to work on all systems.
704 *
705 * configure.ac sets this for a few OS's which are known to have problems
706 * but you may need to set it yourself
707 */
708/* #define USE_PIPES 1 */
709
710/**
711 ** login recorder definitions
712 **/
713
714/* FIXME: put default paths back in */
715#ifndef UTMP_FILE
716#  ifdef _PATH_UTMP
717#    define UTMP_FILE _PATH_UTMP
718#  else
719#    ifdef CONF_UTMP_FILE
720#      define UTMP_FILE CONF_UTMP_FILE
721#    endif
722#  endif
723#endif
724#ifndef WTMP_FILE
725#  ifdef _PATH_WTMP
726#    define WTMP_FILE _PATH_WTMP
727#  else
728#    ifdef CONF_WTMP_FILE
729#      define WTMP_FILE CONF_WTMP_FILE
730#    endif
731#  endif
732#endif
733/* pick up the user's location for lastlog if given */
734#ifndef LASTLOG_FILE
735#  ifdef _PATH_LASTLOG
736#    define LASTLOG_FILE _PATH_LASTLOG
737#  else
738#    ifdef CONF_LASTLOG_FILE
739#      define LASTLOG_FILE CONF_LASTLOG_FILE
740#    endif
741#  endif
742#endif
743
744#if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
745# define USE_SHADOW
746#endif
747
748/* The login() library function in libutil is first choice */
749#if defined(HAVE_LOGIN) && !defined(DISABLE_LOGIN)
750#  define USE_LOGIN
751
752#else
753/* Simply select your favourite login types. */
754/* Can't do if-else because some systems use several... <sigh> */
755#  if !defined(DISABLE_UTMPX)
756#    define USE_UTMPX
757#  endif
758#  if defined(UTMP_FILE) && !defined(DISABLE_UTMP)
759#    define USE_UTMP
760#  endif
761#  if defined(WTMPX_FILE) && !defined(DISABLE_WTMPX)
762#    define USE_WTMPX
763#  endif
764#  if defined(WTMP_FILE) && !defined(DISABLE_WTMP)
765#    define USE_WTMP
766#  endif
767
768#endif
769
770#ifndef UT_LINESIZE
771# define UT_LINESIZE 8
772#endif
773
774/* I hope that the presence of LASTLOG_FILE is enough to detect this */
775#if defined(LASTLOG_FILE) && !defined(DISABLE_LASTLOG)
776#  define USE_LASTLOG
777#endif
778
779#ifdef HAVE_OSF_SIA
780# ifdef USE_SHADOW
781#  undef USE_SHADOW
782# endif
783# define CUSTOM_SYS_AUTH_PASSWD 1
784#endif
785
786#if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(HAVE_SECUREWARE)
787# define CUSTOM_SYS_AUTH_PASSWD 1
788#endif
789#if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(BROKEN_LIBIAF)
790# define USE_LIBIAF
791#endif
792
793/* HP-UX 11.11 */
794#ifdef BTMP_FILE
795# define _PATH_BTMP BTMP_FILE
796#endif
797
798#if defined(USE_BTMP) && defined(_PATH_BTMP)
799# define CUSTOM_FAILED_LOGIN
800#endif
801
802/** end of login recorder definitions */
803
804#ifdef BROKEN_GETGROUPS
805# define getgroups(a,b) ((a)==0 && (b)==NULL ? NGROUPS_MAX : getgroups((a),(b)))
806#endif
807
808#if defined(HAVE_MMAP) && defined(BROKEN_MMAP)
809# undef HAVE_MMAP
810#endif
811
812#ifndef IOV_MAX
813# if defined(_XOPEN_IOV_MAX)
814#  define	IOV_MAX		_XOPEN_IOV_MAX
815# elif defined(DEF_IOV_MAX)
816#  define	IOV_MAX		DEF_IOV_MAX
817# else
818#  define	IOV_MAX		16
819# endif
820#endif
821
822#ifndef EWOULDBLOCK
823# define EWOULDBLOCK EAGAIN
824#endif
825
826#ifndef INET6_ADDRSTRLEN	/* for non IPv6 machines */
827#define INET6_ADDRSTRLEN 46
828#endif
829
830#ifndef SSH_IOBUFSZ
831# define SSH_IOBUFSZ 8192
832#endif
833
834/*
835 * We want functions in openbsd-compat, if enabled, to override system ones.
836 * We no-op out the weak symbol definition rather than remove it to reduce
837 * future sync problems.
838 */
839#define DEF_WEAK(x)
840
841/*
842 * Platforms that have arc4random_uniform() and not arc4random_stir()
843 * shouldn't need the latter.
844 */
845#if defined(HAVE_ARC4RANDOM) && defined(HAVE_ARC4RANDOM_UNIFORM) && \
846    !defined(HAVE_ARC4RANDOM_STIR)
847# define arc4random_stir()
848#endif
849
850#ifndef HAVE_VA_COPY
851# ifdef HAVE___VA_COPY
852#  define va_copy(dest, src) __va_copy(dest, src)
853# else
854#  define va_copy(dest, src) (dest) = (src)
855# endif
856#endif
857
858#ifndef __predict_true
859# if defined(__GNUC__) && \
860     ((__GNUC__ > (2)) || (__GNUC__ == (2) && __GNUC_MINOR__ >= (96)))
861#  define __predict_true(exp)     __builtin_expect(((exp) != 0), 1)
862#  define __predict_false(exp)    __builtin_expect(((exp) != 0), 0)
863# else
864#  define __predict_true(exp)     ((exp) != 0)
865#  define __predict_false(exp)    ((exp) != 0)
866# endif /* gcc version */
867#endif /* __predict_true */
868
869#if defined(HAVE_GLOB_H) && defined(GLOB_HAS_ALTDIRFUNC) && \
870    defined(GLOB_HAS_GL_MATCHC) && defined(GLOB_HAS_GL_STATV) && \
871    defined(HAVE_DECL_GLOB_NOMATCH) &&  HAVE_DECL_GLOB_NOMATCH != 0 && \
872    !defined(BROKEN_GLOB)
873# define USE_SYSTEM_GLOB
874#endif
875
876#endif /* _DEFINES_H */
877